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Re: The Fatal Achilles Heel of Einstein's Relativity

From Thomas 'PointedEars' Lahn <PointedEars@web.de>
Newsgroups sci.physics.relativity
Subject Re: The Fatal Achilles Heel of Einstein's Relativity
Date 2016-12-01 15:25 +0100
Organization PointedEars Software (PES)
Message-ID <2859864.aeNJFYEL58@PointedEars.de> (permalink)
References (15 earlier) <5234594.lOV4Wx5bFT@PointedEars.de> <5ad1ae67-2372-44f2-bf9a-4c2fa09aa090@googlegroups.com> <2026884.ElGaqSPkdT@PointedEars.de> <d3d25ff8-fa33-4fbc-98c0-6f7d503779d5@googlegroups.com> <1648702.tdWV9SEqCh@PointedEars.de>

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Thomas 'PointedEars' Lahn wrote:

> The *approximation* is that *if* you add/subtract the speeds *instead of*
> *also* considering a tiny Lorentz factor at low speeds – e.g.,
> 
>   γ(v = 50 km∕h) = 1∕(1 – ((50∕3.6)²/299'792'458²) ≈

I forgot to write the square root again.  If one does –

  γ(v = 50 km∕h) = 1∕√(1 – ((50∕3.6)²/299'792'458²) ≈

– then one *does* get:

>   1.00000000000000107316

| $ echo '1/sqrt(1-(50/3.6)^2/(299792458)^2)' | bc -l
| 1.00000000000000107316

AFAIK, bc(1) is the only standard program that can calculate this precisely; 
your usual desktop calculator just gives you 1 here.

-- 
PointedEars

Twitter: @PointedEars2
Please do not cc me. / Bitte keine Kopien per E-Mail.

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Thread

The Fatal Achilles Heel of Einstein's Relativity Pentcho Valev <pvalev@yahoo.com> - 2016-11-24 03:49 -0800
  The Fatal Achilles Heel of Einstein's Relativity "David (Lord Kronos) Fuller" <fuller.david@hotmail.com> - 2016-11-24 04:33 -0800
  Re: The Fatal Achilles Heel of Einstein's Relativity Tom Roberts <tjroberts137@sbcglobal.net> - 2016-11-24 09:46 -0600
    Re: The Fatal Achilles Heel of Einstein's Relativity Dusty Kollmann <uberdrivery@uberdriver.info> - 2016-11-24 20:43 +0000
      Re: The Fatal Achilles Heel of Einstein's Relativity Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-11-25 17:46 +0100
        Re: The Fatal Achilles Heel of Einstein's Relativity alsor@interia.pl - 2016-11-25 14:04 -0800
          Re: The Fatal Achilles Heel of Einstein's Relativity Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-11-26 00:20 +0100
            Re: The Fatal Achilles Heel of Einstein's Relativity Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-11-26 01:56 +0100
            Re: The Fatal Achilles Heel of Einstein's Relativity alsor@interia.pl - 2016-11-25 17:18 -0800
              Re: The Fatal Achilles Heel of Einstein's Relativity Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-11-26 02:49 +0100
                Re: The Fatal Achilles Heel of Einstein's Relativity alsor@interia.pl - 2016-11-26 08:46 -0800
                Re: The Fatal Achilles Heel of Einstein's Relativity Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-11-26 19:30 +0100
                Re: The Fatal Achilles Heel of Einstein's Relativity alsor@interia.pl - 2016-11-26 12:37 -0800
                Re: The Fatal Achilles Heel of Einstein's Relativity Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-11-27 13:19 +0100
                Re: The Fatal Achilles Heel of Einstein's Relativity Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-11-27 16:54 +0100
                Re: The Fatal Achilles Heel of Einstein's Relativity alsor@interia.pl - 2016-11-27 12:08 -0800
                Re: The Fatal Achilles Heel of Einstein's Relativity Dirk Van de moortel <dirkvandemoortel@hotspam.not> - 2016-12-03 11:05 +0100
                Re: The Fatal Achilles Heel of Einstein's Relativity alsor@interia.pl - 2016-12-03 09:51 -0800
                Re: The Fatal Achilles Heel of Einstein's Relativity Dirk Van de moortel <dirkvandemoortel@hotspam.not> - 2016-12-04 09:44 +0100
                Re: The Fatal Achilles Heel of Einstein's Relativity alsor@interia.pl - 2016-12-04 09:07 -0800
                Re: The Fatal Achilles Heel of Einstein's Relativity Gary Harnagel <hitlong@yahoo.com> - 2016-12-04 09:17 -0800
                Re: The Fatal Achilles Heel of Einstein's Relativity alsor@interia.pl - 2016-12-04 09:48 -0800
                Re: The Fatal Achilles Heel of Einstein's Relativity Gary Harnagel <hitlong@yahoo.com> - 2016-12-04 15:39 -0800
                Re: The Fatal Achilles Heel of Einstein's Relativity alsor@interia.pl - 2016-12-05 12:31 -0800
                Re: The Fatal Achilles Heel of Einstein's Relativity Gary Harnagel <hitlong@yahoo.com> - 2016-12-05 13:23 -0800
                Re: The Fatal Achilles Heel of Einstein's Relativity alsor@interia.pl - 2016-11-27 11:08 -0800
                Re: The Fatal Achilles Heel of Einstein's Relativity Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-11-27 21:29 +0100
                Re: The Fatal Achilles Heel of Einstein's Relativity alsor@interia.pl - 2016-11-27 13:34 -0800
                Re: The Fatal Achilles Heel of Einstein's Relativity Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-11-27 23:42 +0100
                Re: The Fatal Achilles Heel of Einstein's Relativity alsor@interia.pl - 2016-11-30 09:13 -0800
                Re: The Fatal Achilles Heel of Einstein's Relativity Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-11-30 19:26 +0100
                Re: The Fatal Achilles Heel of Einstein's Relativity Odd Bodkin <bodkinodd@gmail.com> - 2016-11-30 12:51 -0600
                Re: The Fatal Achilles Heel of Einstein's Relativity Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-12-01 14:35 +0100
                Re: The Fatal Achilles Heel of Einstein's Relativity Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-12-01 14:42 +0100
                Re: The Fatal Achilles Heel of Einstein's Relativity Odd Bodkin <bodkinodd@gmail.com> - 2016-12-01 10:06 -0600
                Re: The Fatal Achilles Heel of Einstein's Relativity Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-12-02 16:40 +0100
                Re: The Fatal Achilles Heel of Einstein's Relativity Odd Bodkin <bodkinodd@gmail.com> - 2016-12-02 09:52 -0600
                Re: The Fatal Achilles Heel of Einstein's Relativity Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-12-02 18:45 +0100
                Re: The Fatal Achilles Heel of Einstein's Relativity Odd Bodkin <bodkinodd@gmail.com> - 2016-12-02 10:37 -0600
                Re: The Fatal Achilles Heel of Einstein's Relativity alsor@interia.pl - 2016-11-30 11:03 -0800
                Re: The Fatal Achilles Heel of Einstein's Relativity Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-12-01 14:21 +0100
                Re: The Fatal Achilles Heel of Einstein's Relativity Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-12-01 15:25 +0100
                Re: The Fatal Achilles Heel of Einstein's Relativity Julian Alewine <lliian@lliianenpo.org> - 2016-12-01 14:31 +0000
                Re: The Fatal Achilles Heel of Einstein's Relativity alsor@interia.pl - 2016-12-02 11:15 -0800
                Re: The Fatal Achilles Heel of Einstein's Relativity Gary Harnagel <hitlong@yahoo.com> - 2016-12-02 12:17 -0800
                Re: The Fatal Achilles Heel of Einstein's Relativity alsor@interia.pl - 2016-12-03 09:47 -0800
                Re: The Fatal Achilles Heel of Einstein's Relativity Gary Harnagel <hitlong@yahoo.com> - 2016-12-03 09:56 -0800
                Re: The Fatal Achilles Heel of Einstein's Relativity alsor@interia.pl - 2016-12-03 10:49 -0800
                Re: The Fatal Achilles Heel of Einstein's Relativity Gary Harnagel <hitlong@yahoo.com> - 2016-12-03 10:58 -0800
                Re: The Fatal Achilles Heel of Einstein's Relativity alsor@interia.pl - 2016-12-03 11:31 -0800
                Re: The Fatal Achilles Heel of Einstein's Relativity Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-12-02 22:18 +0100
                Re: The Fatal Achilles Heel of Einstein's Relativity moroney@world.std.spaamtrap.com (Michael Moroney) - 2016-12-01 17:30 +0000
  Re: The Fatal Achilles Heel of Einstein's Relativity Pentcho Valev <pvalev@yahoo.com> - 2016-11-24 15:51 -0800
    Re: The Fatal Achilles Heel of Einstein's Relativity Gary Harnagel <hitlong@yahoo.com> - 2016-11-24 16:15 -0800

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